Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb

[pandora-kernel.git] / drivers / net / wireless / rt2x00 / rt2x00usb.h

diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index 11e5518..aad794a 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -26,6 +26,12 @@
 #ifndef RT2X00USB_H
 #define RT2X00USB_H
 
+#define to_usb_device_intf(d) \
+({ \
+       struct usb_interface *intf = to_usb_interface(d); \
+       interface_to_usbdev(intf); \
+})
+
 /*
  * This variable should be used with the
  * usb_driver structure initialization.
@@ -47,6 +53,20 @@
 #define REGISTER_TIMEOUT               500
 #define REGISTER_TIMEOUT_FIRMWARE      1000
 
+/**
+ * REGISTER_TIMEOUT16 - Determine the timeout for 16bit register access
+ * @__datalen: Data length
+ */
+#define REGISTER_TIMEOUT16(__datalen)  \
+       ( REGISTER_TIMEOUT * ((__datalen) / sizeof(u16)) )
+
+/**
+ * REGISTER_TIMEOUT32 - Determine the timeout for 32bit register access
+ * @__datalen: Data length
+ */
+#define REGISTER_TIMEOUT32(__datalen)  \
+       ( REGISTER_TIMEOUT * ((__datalen) / sizeof(u32)) )
+
 /*
  * Cache size
  */
@@ -185,13 +205,12 @@ static inline int rt2x00usb_vendor_request_sw(struct rt2x00_dev *rt2x00dev,
  * kmalloc for correct handling inside the kernel USB layer.
  */
 static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev,
-                                       __le16 *eeprom, const u16 lenght)
+                                       __le16 *eeprom, const u16 length)
 {
-       int timeout = REGISTER_TIMEOUT * (lenght / sizeof(u16));
-
        return rt2x00usb_vendor_request(rt2x00dev, USB_EEPROM_READ,
                                        USB_VENDOR_REQUEST_IN, 0, 0,
-                                       eeprom, lenght, timeout);
+                                       eeprom, length,
+                                       REGISTER_TIMEOUT16(length));
 }
 
 /*
@@ -199,55 +218,53 @@ static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev,
  */
 void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev);
 
-/*
- * TX data handlers.
- */
-int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
-                           struct data_queue *queue, struct sk_buff *skb,
-                           struct ieee80211_tx_control *control);
-
 /**
- * struct queue_entry_priv_usb_rx: Per RX entry USB specific information
+ * rt2x00usb_write_tx_data - Initialize URB for TX operation
+ * @entry: The entry where the frame is located
  *
- * @urb: Urb structure used for device communication.
+ * This function will initialize the URB and skb descriptor
+ * to prepare the entry for the actual TX operation.
  */
-struct queue_entry_priv_usb_rx {
-       struct urb *urb;
-};
+int rt2x00usb_write_tx_data(struct queue_entry *entry);
 
 /**
- * struct queue_entry_priv_usb_tx: Per TX entry USB specific information
+ * struct queue_entry_priv_usb: Per entry USB specific information
  *
  * @urb: Urb structure used for device communication.
- * @control: mac80211 control structure used to transmit data.
  */
-struct queue_entry_priv_usb_tx {
+struct queue_entry_priv_usb {
        struct urb *urb;
-
-       struct ieee80211_tx_control control;
 };
 
 /**
- * struct queue_entry_priv_usb_tx: Per TX entry USB specific information
+ * struct queue_entry_priv_usb_bcn: Per TX entry USB specific information
  *
- * The first section should match &struct queue_entry_priv_usb_tx exactly.
+ * The first section should match &struct queue_entry_priv_usb exactly.
  * rt2500usb can use this structure to send a guardian byte when working
  * with beacons.
  *
  * @urb: Urb structure used for device communication.
- * @control: mac80211 control structure used to transmit data.
  * @guardian_data: Set to 0, used for sending the guardian data.
  * @guardian_urb: Urb structure used to send the guardian data.
  */
 struct queue_entry_priv_usb_bcn {
        struct urb *urb;
 
-       struct ieee80211_tx_control control;
-
        unsigned int guardian_data;
        struct urb *guardian_urb;
 };
 
+/**
+ * rt2x00usb_kick_tx_queue - Kick data queue
+ * @rt2x00dev: Pointer to &struct rt2x00_dev
+ * @qid: Data queue to kick
+ *
+ * This will walk through all entries of the queue and push all pending
+ * frames to the hardware as a single burst.
+ */
+void rt2x00usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
+                            const enum data_queue_qid qid);
+
 /*
  * Device initialization handlers.
  */